Tutorials Index

This circuit can be used to remotely monitor a loudspeaker, alarm, or audio source for presence...

This line driver can drive low-impedance lines with up to 70 V p-p max. IC1 is a low-noise op...

Any microcontroller in the ATmegaXX8 family should work, though if you`re going to go to the...

With the preset at its max. the flashing rate of the LED is about 1/2 a second. It can be...

The following circuit is an electronic approximation of the gold leaf electroscope`, except that...

A very simple ultrasonic parking sonar electronic project can be designed using this schematic...

This simple transmitter operates from a 9V battery as shown above. I personally built this for a...

My first tasks involved buying some VHF parts + exploring the Butler crystal oscillator....

As shown, the timing circuit due to the installation of the electronic switch by the F1, F2 and...

Bridge rectifier capacitor filter is one of the main power supply of the current amplifier...

This transmitter consists of three stages. The step of the oscillator with the 6L6 lamp, the...